X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=crypto.c;h=da0289dcf392db8b9277d0a9fa5dbca9bd3a2f86;hp=a6eb27db7f630c131149377f7e51a190df86f613;hb=cb494f72f398bb0898030a1225f9ef6da557e959;hpb=005c2f0df17de8afdf9f67b923d26f2358236171

diff --git a/crypto.c b/crypto.c
index a6eb27db..da0289dc 100644
--- a/crypto.c
+++ b/crypto.c
@@ -22,14 +22,20 @@
 
 /* Create a GPG context (GMime 2.6) */
 static notmuch_crypto_context_t *
-create_gpg_context (const char *gpgpath)
+create_gpg_context (notmuch_crypto_t *crypto)
 {
     notmuch_crypto_context_t *gpgctx;
 
+    if (crypto->gpgctx)
+	return crypto->gpgctx;
+
     /* TODO: GMimePasswordRequestFunc */
-    gpgctx = g_mime_gpg_context_new (NULL, gpgpath ? gpgpath : "gpg");
-    if (! gpgctx)
+    gpgctx = g_mime_gpg_context_new (NULL, crypto->gpgpath ? crypto->gpgpath : "gpg");
+    if (! gpgctx) {
+	fprintf (stderr, "Failed to construct gpg context.\n");
 	return NULL;
+    }
+    crypto->gpgctx = gpgctx;
 
     g_mime_gpg_context_set_use_agent ((GMimeGpgContext *) gpgctx, TRUE);
     g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) gpgctx, FALSE);
@@ -37,12 +43,27 @@ create_gpg_context (const char *gpgpath)
     return gpgctx;
 }
 
+static const struct {
+    const char *protocol;
+    notmuch_crypto_context_t *(*get_context) (notmuch_crypto_t *crypto);
+} protocols[] = {
+    {
+	.protocol = "application/pgp-signature",
+	.get_context = create_gpg_context,
+    },
+    {
+	.protocol = "application/pgp-encrypted",
+	.get_context = create_gpg_context,
+    },
+};
+
 /* for the specified protocol return the context pointer (initializing
  * if needed) */
 notmuch_crypto_context_t *
 notmuch_crypto_get_context (notmuch_crypto_t *crypto, const char *protocol)
 {
     notmuch_crypto_context_t *cryptoctx = NULL;
+    size_t i;
 
     if (! protocol) {
 	fprintf (stderr, "Cryptographic protocol is empty.\n");
@@ -55,19 +76,14 @@ notmuch_crypto_get_context (notmuch_crypto_t *crypto, const char *protocol)
      * parameter names as defined in this document are
      * case-insensitive."  Thus, we use strcasecmp for the protocol.
      */
-    if (strcasecmp (protocol, "application/pgp-signature") == 0 ||
-	strcasecmp (protocol, "application/pgp-encrypted") == 0) {
-	if (! crypto->gpgctx) {
-	    crypto->gpgctx = create_gpg_context (crypto->gpgpath);
-	    if (! crypto->gpgctx)
-		fprintf (stderr, "Failed to construct gpg context.\n");
-	}
-	cryptoctx = crypto->gpgctx;
-    } else {
-	fprintf (stderr, "Unknown or unsupported cryptographic protocol.\n");
+    for (i = 0; i < ARRAY_SIZE (protocols); i++) {
+	if (strcasecmp (protocol, protocols[i].protocol) == 0)
+	    return protocols[i].get_context (crypto);
     }
 
-    return cryptoctx;
+    fprintf (stderr, "Unknown or unsupported cryptographic protocol.\n");
+
+    return NULL;
 }
 
 int